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Finding the Fourth Proportional to 88,481, 122,130.46 and 60,203.09

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Solution

The fourth proportional to 88,481, 122,130.46 and 60,203.09 is: 83,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,481 : 122,130.46 = 60,203.09 : x
  2. Step 2: Convert to fraction form
    88,481/122,130.46 = 60,203.09/x
  3. Step 3: Cross multiply
    88,481x = 122,130.46 × 60,203.09
  4. Step 4: Simplify right side
    88,481x = 7,352,631,075.12
  5. Step 5: Solve for x
    x = 7,352,631,075.12/88,481
  6. Step 6: Final answer
    x = 83,098.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.